Cartier 54 is the corresponding domestic 14 ring, and it is also the ring size suitable for most people. In China, Hong Kong-style ring size standard is the main standard. Because of the principle of thermal expansion and contraction, it is more appropriate to wear a ring that can rotate left and right but is not easy to fall off in winter, and wear it tightly in summer.

Cartier No.54, domesticNo. 14 Cartier is a world-famous jewelry brand, and its corresponding ring size is different from our country's standard. Generally speaking, Cartier No.54 corresponds to the domestic 14 ring, which is also the most commonly used size, while our country mainly adopts the Hong Kong-style ring size standard.

Because everyone's knuckles are different in thickness, you should go to the store to ask. When measuring the finger size, you can first wrap a thin thread around the root of the finger, make a mark at the overlapping place, measure the length with a ruler and divide it by 3. 14 to get the inner diameter of the ring.

Usually, the measured size should be increased by about 1 ~ 2mm, so that it will not be tight after wearing. Due to the principle of thermal expansion and contraction, it is a little tight after wearing a ring in summer, but it is not easy to fall off after wearing a ring in winter, so it depends on personal circumstances.